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| author | Peter Lieven <pl@kamp.de> | 2016-06-30 12:00:46 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2016-07-12 08:34:13 +0200 |
| commit | 095497ffc66b7f031ff2a17f1e50f5cb105ce588 (patch) | |
| tree | 567d421d34ce351c327de5d650bcd396574ed920 | |
| parent | 5a693efda84d7df5136cc2bd31c959bb1530b0c9 (diff) | |
| download | qemu-095497ffc66b7f031ff2a17f1e50f5cb105ce588.tar.gz qemu-095497ffc66b7f031ff2a17f1e50f5cb105ce588.tar.bz2 qemu-095497ffc66b7f031ff2a17f1e50f5cb105ce588.zip | |
vnc-enc-tight: use thread local storage for palette
currently the color counting palette is allocated from heap, used and destroyed
for each single subrect. Use a static palette per thread for this purpose and
avoid the malloc and free for each update.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1467280846-9674-1-git-send-email-pl@kamp.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | ui/vnc-enc-tight.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/ui/vnc-enc-tight.c b/ui/vnc-enc-tight.c index e5cba0e5a7..b8581dd2e9 100644 --- a/ui/vnc-enc-tight.c +++ b/ui/vnc-enc-tight.c @@ -349,7 +349,7 @@ tight_detect_smooth_image(VncState *vs, int w, int h) tight_fill_palette##bpp(VncState *vs, int x, int y, \ int max, size_t count, \ uint32_t *bg, uint32_t *fg, \ - VncPalette **palette) { \ + VncPalette *palette) { \ uint##bpp##_t *data; \ uint##bpp##_t c0, c1, ci; \ int i, n0, n1; \ @@ -396,23 +396,23 @@ tight_detect_smooth_image(VncState *vs, int w, int h) return 0; \ } \ \ - *palette = palette_new(max, bpp); \ - palette_put(*palette, c0); \ - palette_put(*palette, c1); \ - palette_put(*palette, ci); \ + palette_init(palette, max, bpp); \ + palette_put(palette, c0); \ + palette_put(palette, c1); \ + palette_put(palette, ci); \ \ for (i++; i < count; i++) { \ if (data[i] == ci) { \ continue; \ } else { \ ci = data[i]; \ - if (!palette_put(*palette, (uint32_t)ci)) { \ + if (!palette_put(palette, (uint32_t)ci)) { \ return 0; \ } \ } \ } \ \ - return palette_size(*palette); \ + return palette_size(palette); \ } DEFINE_FILL_PALETTE_FUNCTION(8) @@ -421,7 +421,7 @@ DEFINE_FILL_PALETTE_FUNCTION(32) static int tight_fill_palette(VncState *vs, int x, int y, size_t count, uint32_t *bg, uint32_t *fg, - VncPalette **palette) + VncPalette *palette) { int max; @@ -1457,9 +1457,11 @@ static int send_sub_rect_jpeg(VncState *vs, int x, int y, int w, int h, } #endif +static __thread VncPalette color_count_palette; + static int send_sub_rect(VncState *vs, int x, int y, int w, int h) { - VncPalette *palette = NULL; + VncPalette *palette = &color_count_palette; uint32_t bg = 0, fg = 0; int colors; int ret = 0; @@ -1488,7 +1490,7 @@ static int send_sub_rect(VncState *vs, int x, int y, int w, int h) } #endif - colors = tight_fill_palette(vs, x, y, w * h, &bg, &fg, &palette); + colors = tight_fill_palette(vs, x, y, w * h, &bg, &fg, palette); #ifdef CONFIG_VNC_JPEG if (allow_jpeg && vs->tight.quality != (uint8_t)-1) { @@ -1501,7 +1503,6 @@ static int send_sub_rect(VncState *vs, int x, int y, int w, int h) ret = send_sub_rect_nojpeg(vs, x, y, w, h, bg, fg, colors, palette); #endif - palette_destroy(palette); return ret; } |